Voyager PRO B230 UC Monaural Over-the-Ear Bluetooth HeadsetBe truly mobile with this Bluetooth-enabled headset that unifies PC and mobile phone communications. Smart Sensor technology provides seamless and intuitive featuresautomatically answer calls just by putting on the headset, transfer calls to your mobile phone and prevent accidental dialing when not in use. Dual-mic AudioIQ2 DSP technology cancels noise while retaining the natural sound of your voice. Bluetooth mini USB adapter can stay in your laptop port for always-ready connectivity. A2DP technology streams audio for music, podcasts and GPS navigation. Enhanced voice alerts announce remaining talk time, connection status, battery level and mute. Headset Type: Monaural; Headset Style: Over The Ear; Earpiece Type: Adjustable Earloop.